• Beitian BR-250 GNSS positioning module board with 6-pin connector and labeled TX/RX/PPS pads
  • Angled view of Beitian BR-250 GNSS module showing stacked ceramic antenna and JST-style connector
  • Beitian BR Series multi-system dual-band GNSS module lineup graphic (BR-250Q, BR-880Q, BR-357Q)
  • BR-250Q GNSS integrated module feature card with size, baud rate, voltage, and supported systems list
  • Application scenario graphic for BR-250 GNSS module: drone, plant protection machine, logistics, unmanned ship
  • Package contents list showing BR-250Q series GNSS module and matching serial cable (1 each)
  • BR-250 product parameter sheet with module top view and square ceramic GNSS antenna diagram
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Beitian BR Series GNSS Positioning Module (BR-250/BR-280/BR-357/BR-881/BR-289) TTL/USB for Navigation

Beitian BR Series GNSS Positioning Module (BR-250/BR-280/BR-357/BR-881/BR-289) TTL/USB for Navigation

Beitian

$98.06 USD
$98.06 USD
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Overview

The Beitian BR Series GNSS positioning module is a compact multi-constellation receiver family with UART (TTL) output, optional USB output on selected models, and 1PPS timing output. This listing provides multiple Beitian BR/BRD model options (select the required model variant when ordering).

Model Options (Shopify)

  • BR-250
  • BR-250Q
  • BR-280
  • BR-280B
  • BR-280U
  • BR-357
  • BR-357B
  • BR-357U
  • BR-357P
  • BR-881P
  • BR-881

Key Features

  • Chip (shown for BR-280): B1501N
  • Receiver type (shown for BR-280): BeiDou B1I/B1C/B2I/B2a; GPS/QZSS L1C/A, L5; GLONASS G1; Galileo E1, E5a; NAVIC/IRNSS L5; SBAS L1, L5
  • Protocols (shown): NMEA / UBX (also listed as NMEA-0183, UBX in module comparison tables)
  • 1PPS output supported (pin definition provided for BR-280)
  • Update rates (shown for BR-280): PVT 20 Hz (Max), RAW 20 Hz (Max), IMU RAW 100 Hz (Max)
  • Operating temperature (shown for BR-280): -40C to +85C; Storage: -40C to +105C

For help choosing the correct BR/BRD model (TTL vs USB level, connector pitch, and compass variants), contact support@rcdrone.top or visit https://rcdrone.top/.

Specifications

BR-280 Module Main Performance Indicators

Chip B1501N
Receiver type BeiDou B1I, B1C, B2I, B2a; GPS/QZSS L1C/A, L5; GLONASS G1; Galileo E1, E5a; NAVIC/IRNSS L5; SBAS L1, L5
Default position system Beidou, GPS, GLONASS, Galileo, NAVIC/IRNSS
Augmentation system SBAS, QZSS
Channel 200
Sensitivity (Tracking & Navigation) -163 dBm
Sensitivity (Reacquisition) -159 dBm
Sensitivity (Cold Start) -148 dBm
Sensitivity (Hot Start) -159 dBm
GNSS (RMS) accuracy Horizontal: 1.5 m CEP; Vertical: 2 m CEP
DGNSS (RMS) accuracy Horizontal: 0.4 m + 1 ppm CEP; Vertical: 0.8 m + 1 ppm CEP
Time accuracy (1PPS) 20 ns
Speed accuracy 0.1 m/s CEP
Cold Start < 28 s
Hot Start < 1 s
AGPS Time To First Fix < 1.5 s
Baud Rate 9600 -2000000 bps, default 115200 bps, support sleep mode
Level TTL
Protocol NMEA, UBX
UBX Statement PVT, SAT
FLASH support, configuration can be changed, will not be lost in the event of power outage
Data update rate PVT 20 Hz (Maximum); RAW 20 Hz (Maximum); IMU RAW 100 Hz (Maximum)
Work Restrictions High 50,000 m; Speed 500 m/s; Gravitational Acceleration < 4 g
Voltage DC 3.6 V -5.5 V, typical: 5.0 V
Current 30 mA/5.0 V
Size 28*28*13.5 mm
Weight 22 g
Package 1.25 pitch 6-pin socket
Operating temperature -40C ~ +85C
Storage temperature -40C ~ +105C
TX Light power on, blue light flashing, indicate data output
PPS Light red light not bright when GPS not fixed, flashing when fixed

BR-280 Pin Definition (6-pin)

PIN Name I/O Description Feature
1 1PPS O 1PPS, low level before positioning, 1 s period after positioning, high level 100 ms second pulse output The pulse can be used for synchronization and timing. Please leave it unconnected if not used.
2 GND G Ground Ground
3 TX O UART communication interface, TTL level GPS data output pin
4 RX I UART communication interface, TTL level GPS data input pin
5 VCC I Main power supply, DC input DC 3.6 V -5.5 V; 5.0 V recommended
6 RST I System reset Low level is effective

BR-280 LED Description

  • TX indicator: the blue light flashes when powered on, indicating that there is data output.
  • PPS light: is off before positioning; it starts to flash after 3D positioning.

BR-280 Dimensions (from size diagram)

  • Front view: 25.3 mm; 18.3 mm; 12.70 mm; 2.54 mm
  • Side view: 11.6 b1 0.3 mm; 12.6 mm; 4.00 mm; 0.80 mm; 2.50 mm; 0.50 MAX
  • Top view: 28.00 b1 0.2 mm; 25.00 mm; 18.00 mm; 25.00 mm; 18.00 mm

BR Series Module Comparison (Channel 200)

Parameter BR-250 BR-250P BR-280 BR-280U BR-357
Chip B1501N B1501N B1501N B1501N B1501N
Working mode BeiDou B1I,B1C,B2I,B2a; GPS/QZSS L1C/A,L5; GLONASS G1; Galileo E1,E5a; NAVIC/IRNSS L5; SBAS L1,L5 BeiDou B1I,B1C,B2I,B2a; GPS/QZSS L1C/A,L5; GLONASS G1; Galileo E1,E5a; NAVIC/IRNSS L5; SBAS L1,L5 BeiDou B1I,B1C,B2I,B2a; GPS/QZSS L1C/A,L5; GLONASS G1; Galileo E1,E5a; NAVIC/IRNSS L5; SBAS L1,L5 BeiDou B1I,B1C,B2I,B2a; GPS/QZSS L1C/A,L5; GLONASS G1; Galileo E1,E5a; NAVIC/IRNSS L5; SBAS L1,L5 BeiDou B1I,B1C,B2I,B2a; GPS/QZSS L1C/A,L5; GLONASS G1; Galileo E1,E5a; NAVIC/IRNSS L5; SBAS L1,L5
Channel 200 200 200 200 200
Sensitivity Cold Start -148 dBm; Hot Start -159 dBm Cold Start -148 dBm; Hot Start -159 dBm Cold Start -148 dBm; Hot Start -159 dBm Cold Start -148 dBm; Hot Start -159 dBm Cold Start -148 dBm; Hot Start -159 dBm
GNSS accuracy Horizontal 1.5 m CEP; Vertical 2 m CEP Horizontal 1.5 m CEP; Vertical 2 m CEP Horizontal 1.5 m CEP; Vertical 2 m CEP Horizontal 1.5 m CEP; Vertical 2 m CEP Horizontal 1.5 m CEP; Vertical 2 m CEP
DGNSS (RMS) accuracy Horizontal 0.4 m+1 ppm CEP; Vertical 0.8 m+1 ppm CEP Horizontal 0.4 m+1 ppm CEP; Vertical 0.8 m+1 ppm CEP Horizontal 0.4 m+1 ppm CEP; Vertical 0.8 m+1 ppm CEP Horizontal 0.4 m+1 ppm CEP; Vertical 0.8 m+1 ppm CEP Horizontal 0.4 m+1 ppm CEP; Vertical 0.8 m+1 ppm CEP
Time accuracy (1PPS) 20 ns 20 ns 20 ns 20 ns 20 ns
Speed accuracy 0.1 m/s CEP 0.1 m/s CEP 0.1 m/s CEP 0.1 m/s CEP 0.1 m/s CEP
Cold Start < 28 s < 28 s < 28 s < 28 s < 28 s
Hot Start < 1 s < 1 s < 1 s < 1 s < 1 s
AGPS Time To First Fix < 1.5 s < 1.5 s < 1.5 s < 1.5 s < 1.5 s
Baud Rate 9600 -2000000 bps, default 115200 bps, support sleep mode 9600 -2000000 bps, default 115200 bps, support sleep mode 9600 -2000000 bps, default 115200 bps, support sleep mode 4800 bps -921600 bps, default 9600 bps 9600 -2000000 bps, default 115200 bps, support sleep mode
Level TTL TTL TTL PL2303SA chip TTL to USB driver, USB level TTL
Protocol NMEA-0183, UBX NMEA-0183, UBX NMEA-0183, UBX NMEA-0183, UBX NMEA-0183, UBX
FLASH In the tank In the tank In the tank In the tank In the tank
Data update rate PVT 20 Hz (Maximum); RAW 20 Hz (Maximum); IMU RAW 100 Hz (Maximum) PVT 20 Hz (Maximum); RAW 20 Hz (Maximum); IMU RAW 100 Hz (Maximum) PVT 20 Hz (Maximum); RAW 20 Hz (Maximum); IMU RAW 100 Hz (Maximum) PVT 20 Hz (Maximum); RAW 20 Hz (Maximum); IMU RAW 100 Hz (Maximum) PVT 20 Hz (Maximum); RAW 20 Hz (Maximum); IMU RAW 100 Hz (Maximum)
Work Restrictions High 50,000 m; Speed 500 m/s; Gravitational Acceleration < 4 g High 50,000 m; Speed 500 m/s; Gravitational Acceleration < 4 g High 50,000 m; Speed 500 m/s; Gravitational Acceleration < 4 g High 50,000 m; Speed 500 m/s; Gravitational Acceleration < 4 g High 50,000 m; Speed 500 m/s; Gravitational Acceleration < 4 g
Voltage DC 3.6 V -5.5 V, typical: 5.0 V DC 3.6 V -5.5 V, typical: 5.0 V DC 3.6 V -5.5 V, typical: 5.0 V DC 3.6 V -5.5 V, typical: 5.0 V DC 3.6 V -5.5 V, typical: 5.0 V
Current 30 mA/5.0 V 30 mA/5.0 V 30 mA/5.0 V 30 mA/5.0 V 30 mA/5.0 V
Size 25*25*12.2 mm 25*25*12.2 mm 28*28*13.5 mm 28*28*13.5 mm 35*27*13.5 mm
Weight 21 g 21 g 22 g 22 g 22 g
Linker 1.00 pitch 4pin socket 1.00 mm 6pins connector 1.25 pitch 6-pin socket 1.25 pitch 6-pin socket 1.25 pitch 6-pin socket
Compass

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